Download AJAX: A Beginner’s Guide by Steven Holzner PDF

By Steven Holzner

Книга AJAX: A Beginner’s advisor AJAX: A Beginner’s advisor Книги AJAX Автор: Steven Holzner Год издания: 2008 Формат: pdf Издат.:McGraw-Hill Страниц: 475 Размер: eleven ISBN: 0-07-159531-7 Язык: Английский sixty eight (голосов: 1) Оценка:Essential abilities — made easy!Learn the best way to use AJAX (Asynchronous JavaScript and XML) to create internet purposes that reflect the richness of laptop purposes. utilizing easy-to-follow examples, "AJAX: A Beginner's advisor" will get you set to work with this state-of-the-art selection of applied sciences very quickly. Create XMLHttpRequest items and use JavaScript, XML, DHTML, CSS, personal home page, and extra to construct next-generation internet functions. you are going to additionally learn about a number of loose, pre-written AJAX frameworks you should use correct away.Designed for simple Learning:Key abilities & ideas — Lists of particular talents lined within the chapter.Ask the specialist — "Questions & solutions" sections full of bonus details and valuable tips.Try This — Hands-on workouts that exhibit how you can follow your skills.Annotated Syntax — instance code with observation that describes the programming suggestions being illustrated.Table of contents:Chapter 1. crucial AJAX bankruptcy 2. gaining knowledge of JavaScript bankruptcy three. developing AJAX functions bankruptcy four. complete Throttle AJAX bankruptcy five. utilizing AJAX Frameworks bankruptcy 6. dealing with XML in AJAX bankruptcy 7. operating with Cascading sort Sheets with AJAX bankruptcy eight. dealing with Dynamic HTML with AJAX bankruptcy nine. Introducing personal home page with AJAX bankruptcy 10. personal home page intensive bankruptcy eleven. Validating consumer enter with AJAX and personal home page bankruptcy 12. utilizing the HTML DOM and AJAX Index

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Extra resources for AJAX: A Beginner’s Guide

Sample text

Some of that code is written to support Ajax for you so that you only have to write minimal code, and in that case, those libraries are called Ajax frameworks (see Chapter 5). When you use such a framework, it would be awkward if you had to include its whole code—dozens of pages of it—in your own web pages. The solution is that Ajax frameworks package their JavaScript in external files, and you simply refer to that code as you see here, with the This is a first JavaScript example. Lines of code like this are called statements in JavaScript and, as you can see, they end with a semicolon.

And you can see the results in Figure 2-3, where the new header appears. Not bad. Note the placement of the text in Figure 2-3. The header, which we wrote with JavaScript, appears on top of the text in the element. Why? html, it processes the page as it reads it, and it reads the section (where our JavaScript is) first.

Displayed, as shown in Figure 2-6. Chapter 2: Figure 2-6 Getting to Know JavaScript Using JavaScript functions and HTML buttons Passing Data to Functions Just as you can pass data to the methods already built into JavaScript, so too can you pass data to the functions you create. For example, say that you want to specify the message that you want to display by passing that message to the display function. html, as we’ve seen with calls to methods: Passing data to functions